Message in Chinese (Simplified) (中文(简体))
MC3021: 编译 XAML 文件时不支持异步加载,因此不允许“<var>X</var>”的 SynchronousMode。
Unlocalized message
MC3021: Asynchronous loading is not supported when compiling a XAML file, so a SynchronousMode of '<var>X</var>' is not allowed.
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